PNG  IHDR*H0PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*ftEXtDescription $ V(r-F_{r})=V(F_{r})=f_{r}^{\prime\prime}(1)-f_{r}^{\prime}(1)-{f_{r}^{\prime}(1)}^{2} $3tEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr IDATxXң mv{p@i ! _LW6<^xŞ.W8=v#N*XuR{^Ӿfeo{L65Y6L֖V.뻇x*<'_Z]tKMho=*{/צKpʡ>t#MUG`u$㲳PGRJ7܁4fƈK!!s%YH_a@B.$"1m#$2~˥u #դCC`p〺$<؄cbST2*7ΐ @&`@c 6KL*/鱏"m!eѰ>nH5_8S;`ƓG.x3U Sa;j;=a|Ojr"sgѷ؍miYnA@ 91+NXФ4͡ 5#*ذ%8!' $@2& EU 5(_lG&, E"^YfڑbT ½^ ?3eT{OgF#%?dJs)q"xnD˗Iwlѳ(BYg=qxBpT[CG;k3z|p&e*BR?%9:$ff]ڜ>@8toAuew.:W\FɑVohm24+IENDB`